745690140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318671}}^1$

素因数の和:318699

約数の個数: 72

約数和(自身を含む): 2435928768

約数和(自身を除く): 1690238628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 318671, 637342, 956013, 1274684, 1593355, 1912026, 2868039, 3186710, 3824052, 4142723, 4780065, 5736078, 6373420, 8285446, 9560130, 11472156, 12428169, 14340195, 16570892, 19120260, 20713615, 24856338, 28680390, 37284507, 41427230, 49712676, 57360780, 62140845, 74569014, 82854460, 124281690, 149138028, 186422535, 248563380, 372845070, 745690140]

約数ペア:

[(1, 745690140), (2, 372845070), (3, 248563380), (4, 186422535), (5, 149138028), (6, 124281690), (9, 82854460), (10, 74569014), (12, 62140845), (13, 57360780), (15, 49712676), (18, 41427230), (20, 37284507), (26, 28680390), (30, 24856338), (36, 20713615), (39, 19120260), (45, 16570892), (52, 14340195), (60, 12428169), (65, 11472156), (78, 9560130), (90, 8285446), (117, 6373420), (130, 5736078), (156, 4780065), (180, 4142723), (195, 3824052), (234, 3186710), (260, 2868039), (390, 1912026), (468, 1593355), (585, 1274684), (780, 956013), (1170, 637342), (2340, 318671)]